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Latipinnatoidea (disused)
Taxonomy
Latipinnati was named by Huene (1948).
It was reranked as the order Latipinnatoidea by Appleby (1979).
It was assigned to Ichthyosauria by Huene (1948) and von Huene (1951); and to Ichthyopterygia by Appleby (1979).
It was reranked as the order Latipinnatoidea by Appleby (1979).
It was assigned to Ichthyosauria by Huene (1948) and von Huene (1951); and to Ichthyopterygia by Appleby (1979).
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Or. †Latipinnatoidea Huene 1948
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. M. Appleby 1979 | "Ichthyopterygia with four distal carpals in fore limb. Nasal opening primitive (lachrymal takes part in boundary). Orbits larger than those of longipinnatoids in Lower Jurassic and very large in majority of Upper Jurassic forms. Ratio of distance between tip of snout and anterior tip of maxilla to length of jaw relatively large in Lower Jurassic (McGowan, 1972), with exception of aberrant I, breviceps. Interclavicle T-shaped. Coracoid with well-developed posterior notch in most species. Glenoid anteriorly placed. Neural spines without caudal rise. Rib facets rise caudally to maximum dorsal position at tail-bend. Tail with vertical flukes. Pelvic elements separate but abbreviated in Lower Liassic. Ischiopubis in some Upper Jurassic forms. No pubic foramen. Hind limb relatively short compared to fore limb. Range: Lower Jurassic to Cretaceous." |